Related Clues:

• Primitive aquatic organisms
• Aquarium growth
• Trendy protein source
• Vegan staple
• High-protein bean
• Pond scum and kelp
• Tiny pond plants
• Pond accumulations
• Photosynthetic organisms
• ___ sauce
• Pond buildup
• Reef clingers
• Plankton components
• Plankton component
• Sauce for chop suey